#ifndef LCDRANGE_H
#define LCDRANGE_H
#include <QWidget>  // 修改这一行
class QSlider;
class LCDRange:public QWidget
{
    Q_OBJECT
public:
    LCDRange (QWidget *parent =0);
    int value()const;
public slots:
    void setValue (int value);
signals:
    void valueChanged (int newvalue);
private:
    QSlider *slider;
};
#endif
